| Acronym | Meaning |
| CSHB | Chemical Safety And Hazard Investigation Board |
| FASEB | Federation Of American Societies For Experimental Biology |
| PAR | Photosynthetically Active Radiation |
| SCLS | Surface Core Level Shift |
| MPDS | Moment-polarized Dirac-Slater |
| ICOH | International Commission On Occupational Health |
| CVT | Canonical Variational Transition-state (theory) |
| TAI | Thermal Alteration Index |
| NATA | National Air Toxics Assessment |
| NEMI | National Environmental Methods Index |